Food preparation device



FIG. 1 is a top perspective view of a design for a food preparation device in accordance with a preferred embodiment of the present invention;

FIG. 2 is a bottom perspective view of the design for a food preparation device of FIG. 1;

FIG. 3 is a front view of the design for a food preparation device of FIG. 1;

FIG. 4 is a left side view of the design for a food preparation device of FIG. 1;

FIG. 5 is a right side view of the design for a food preparation device of FIG. 1;

FIG. 6 is a rear view of the design for a food preparation device of FIG. 1;

FIG. 7 is a top view of the design for a food preparation device of FIG. 1; and,

FIG. 8 is a bottom view of the design for a food preparation device of FIG. 1. 

CLAIM The ornamental design for a food preparation device, as shown. 